Derivative Financial Instruments - Schedule of Foreign Currency Forward Contracts Designated as Cash Flow Hedges (Details) - Cash Flow Hedging - Designated as Hedging Instrument - USD ($) $ in Millions	Sep. 26, 2021	Dec. 27, 2020	Sep. 27, 2020
Derivatives, Fair Value [Line Items]
Net unrealized gains	$ 5.8	$ (8.3)	$ 15.2
Foreign Exchange Forward | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Unrealized gains	8.6	2.3	13.4
Unrealized losses	(3.7)	(1.6)	(1.7)
Net unrealized gains	4.9	0.7	11.6
Foreign Exchange Forward | Other assets
Derivatives, Fair Value [Line Items]
Unrealized gains	2.0	1.1	4.2
Unrealized losses	(0.1)	0.0	(0.2)
Net unrealized gains	1.9	1.1	4.0
Foreign Exchange Forward | Accrued liabilities
Derivatives, Fair Value [Line Items]
Unrealized gains	0.3	3.0	0.7
Unrealized losses	(1.3)	(12.9)	(1.0)
Net unrealized gains	(1.0)	(9.9)	(0.3)
Foreign Exchange Forward | Other liabilities
Derivatives, Fair Value [Line Items]
Unrealized gains	0.0	0.0	0.0
Unrealized losses	0.0	(0.2)	(0.1)
Net unrealized gains	$ 0.0	$ (0.2)	$ (0.1)